States Of Elements

Question 1

Element states are determined by

Answer 1

Their state at room temperature:
20 degrees Celsius,
70 degrees Fahrenheit

Question 2

Hydrogen

Answer 2

Gas

Question 3

Elements that exists as gases

Answer 3

The following elements exist as gases:
Hydrogen (H),
Helium (He),
Nitrogen (N),
Oxygen (O),
Fluorine (F),
Neon (Ne),
Chlorine (Cl),
Argon (Ar),
Krypton (Kr),
Xenon (Xe), and
Radon (Rn).

Half of the halogens, all of the noble gases, and the lightest chalcogens and picnogens are gases.

Elements that exist as gases are mainly found in the upper right corner and on the right side of the periodic table.